diff --git a/src/centralnode.py b/src/centralnode.py
index bcf2aac..7824143 100644
--- a/src/centralnode.py
+++ b/src/centralnode.py
@@ -5,14 +5,15 @@
 import serial
 import logging
 
-
 log = logging.getLogger('central')
 ch = logging.NullHandler()
 ch.setLevel(logging.DEBUG)
-formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+formatter = logging.Formatter(
+    '%(asctime)s - %(name)s - %(levelname)s - %(message)s')
 ch.setFormatter(formatter)
 log.addHandler(ch)
 
+
 class ConfigError(Exception):
     def __init__(self):
         self.message = "Can not config"
@@ -91,8 +92,7 @@ def config_trama(self):
 
     def init_lora(self):
 
-        expect = [
-            1, 0, 129, 12, 165, 165, 108, 64, 18, 7, 0, 0, 1, 1, 0, 3, 0]
+        expect = [1, 0, 129, 12, 165, 165, 108, 64, 18, 7, 0, 0, 1, 1, 0, 3, 0]
         try:
             expect[12] = self.networkid
             check_sum = reduce(lambda x, y: x ^ y, expect)
@@ -111,11 +111,11 @@ def init_lora(self):
             os._exit(0)
         if list(response) != expect:
             expect[3] = 13
-            expect[17] = expect[17]+1
+            expect[17] = expect[17] + 1
             if list(response) == expect:
-                    self.ser.close()
-                    log.info("Lora Config Successfull")
-                    return True
+                self.ser.close()
+                log.info("Lora Config Successfull")
+                return True
             return False
         self.ser.close()
         log.info("Lora Config Successfull")
@@ -134,5 +134,3 @@ def quantity_poll(self):
         if self.lastpollsize != 0:
             n += 1
         return n
-
-    
\ No newline at end of file
diff --git a/src/files_management.py b/src/files_management.py
index cd42830..9fa3083 100644
--- a/src/files_management.py
+++ b/src/files_management.py
@@ -2,11 +2,11 @@
 import json
 import logging
 
-
 log = logging.getLogger('files')
 ch = logging.NullHandler()
 ch.setLevel(logging.DEBUG)
-formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+formatter = logging.Formatter(
+    '%(asctime)s - %(name)s - %(levelname)s - %(message)s')
 ch.setFormatter(formatter)
 log.addHandler(ch)
 
@@ -36,7 +36,8 @@ def update_energy_file(serial, data):
     with open("output/energy.json", 'r+') as energy_file:
         energy_dic = json.load(energy_file)
         energy_dic[serial.hex()] = data
-        log.info("Updated %s: %s at %s", serial.hex(), str(data),str(datetime.datetime.now()) )
+        log.info("Updated %s: %s at %s", serial.hex(), str(data),
+                 str(datetime.datetime.now()))
         save2file(energy_file, energy_dic)
 
 
diff --git a/src/logger.py b/src/logger.py
index c1dcffc..db97750 100644
--- a/src/logger.py
+++ b/src/logger.py
@@ -1,19 +1,19 @@
 import logging
 import sys
 
-
 dateformat = "%m/%d/%Y  %H:%M:%S"
 logformat = "%(asctime)s [%(levelname)-5.5s] [%(name)s] %(message)s"
 consoleforma = "[%(levelname)-5.5s] [%(name)s] %(message)s"
 
 
 def build_logger():
-    
-    logFormatter = logging.Formatter(logformat,datefmt = dateformat)
-    consoleFormatter = logging.Formatter("[%(levelname)-5.5s] [%(name)s] %(message)s")
+
+    logFormatter = logging.Formatter(logformat, datefmt=dateformat)
+    consoleFormatter = logging.Formatter(
+        "[%(levelname)-5.5s] [%(name)s] %(message)s")
     log = logging.getLogger()
 
-    fileHandler = logging.FileHandler("{0}/{1}.log".format(".","logs"))
+    fileHandler = logging.FileHandler("{0}/{1}.log".format(".", "logs"))
     fileHandler.setFormatter(logFormatter)
     fileHandler.setLevel(logging.WARNING)
     log.addHandler(fileHandler)